QUILTER PLC (Incorporated under the Companies Act 1985 with registered number 06404270 and re-registered as a public limited company under the Companies Act 2006) ISIN CODE: GB00BNHSJN34 JSE SHARE CODE: QLT Quilter plc (the "Company") FORM 8.3 PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE Rule 8.3 of the Takeover Code (the “Code”) 1. KEY INFORMATION (a) Full name of discloser: Quilter PLC (and subsidiaries) (b) Owner or controller of interests and short positions disclosed, if different from 1(a): The naming of nominee or vehicle companies is insufficient. For a trust, the trustee(s), settlor and beneficiaries must be named. (c) Name of offeror/offeree in relation to whose DS Smith PLC relevant securities this form relates: Use a separate form for each offeror/offeree (d) If an exempt fund manager connected with an offeror/offeree, state this and specify identity of offeror/offeree: (e) Date position held/dealing undertaken: 27/02/2024 For an opening position disclosure, state the latest practicable date prior to the disclosure (f) In addition to the company in 1(c) above, is the Yes – Mondi PLC discloser making disclosures in respect of any other party to the offer? If it is a cash offer or possible cash offer, state “N/A” 2. POSITIONS OF THE PERSON MAKING THE DISCLOSURE If there are positions or rights to subscribe to disclose in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 2(a) or (b) (as appropriate) for each additional class of relevant security. (a) Interests and short positions in the relevant securities of the offeror or offeree to which the disclosure relates following the dealing (if any) Class of relevant security: 10p ordinary Interests Short positions Number % Number % (1) Relevant securities owned 27,595,768 2.00 and/or controlled: (2) Cash-settled derivatives: 1 Form 8.3 December 2021 (3) Stock-settled derivatives (including options) and agreements to purchase/sell: TOTAL: 27,595,768 2.00 All interests and all short positions should be disclosed. Details of any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form 8 (Open Positions). (b) Rights to subscribe for new securities (including directors’ and other employee options) Class of relevant security in relation to which subscription right exists: Details, including nature of the rights concerned and relevant percentages: 3. DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE Where there have been dealings in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as appropriate) for each additional class of relevant security dealt in. The currency of all prices and other monetary amounts should be stated. (a) Purchases and sales Class of relevant Purchase/sale Number of Price per unit security securities 10p ordinary Purchase 370 3.188207 10p ordinary Purchase 204 3.198584 10p ordinary Purchase 50 3.189 10p ordinary Purchase 86 3.191 10p ordinary Purchase 395 3.187208 10p ordinary Purchase 600 3.179814 10p ordinary Purchase 460 3.190539 10p ordinary Sale 59 3.189 10p ordinary Sale 40 3.195 10p ordinary Sale 375 3.19263 10p ordinary Sale 460 3.18963 10p ordinary Sale 230 3.188 10p ordinary Sale 2,227 3.177693 10p ordinary Sale 50 3.191 10p ordinary Sale 379 3.18963 10p ordinary Sale 2,800 3.191 (b) Cash-settled derivative transactions 2 Form 8.3 December 2021 Class of Product Nature of dealing Number of Price per relevant description e.g. opening/closing a reference unit security e.g. CFD long/short position, securities increasing/reducing a long/short position (c) Stock-settled derivative transactions (including options) (i) Writing, selling, purchasing or varying Class Product Writing, Number Exercis Type Expir Option of descriptio purchasin of e price e.g. y money relevan n e.g. call g, selling, securitie per unit America date paid/ t option varying s to n, receive securit etc. which Europea d per y option n etc. unit relates (ii) Exercise Class of Product Exercising/ Number of Exercise price relevant description exercised securities per unit security e.g. call option against (d) Other dealings (including subscribing for new securities) Class of relevant Nature of dealing Details Price per unit (if security e.g. subscription, applicable) conversion 10p ordinary Change in Mandate to EO 922 4. OTHER INFORMATION (a) Indemnity and other dealing arrangements Details of any indemnity or option arrangement, or any agreement or understanding, formal or informal, relating to relevant securities which may be an inducement to deal or refrain from dealing entered into by the person making the disclosure and any party to the offer or any person acting in concert with a party to the offer: Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state “none” None (b) Agreements, arrangements or understandings relating to options or derivatives Details of any agreement, arrangement or understanding, formal or informal, between the person making the disclosure and any other person relating to: (i) the voting rights of any relevant securities under any option; or (ii) the voting rights or future acquisition or disposal of any relevant securities to which any derivative is referenced: 3 Form 8.3 December 2021 If there are no such agreements, arrangements or understandings, state “none” None (c) Attachments Is a Supplemental Form 8 (Open Positions) attached? NO 0B Date of disclosure: 29/02/2024 1B Contact name: Henry Nevin 2B Telephone number: +44 (0)207 150 4209 Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service. The Panel’s Market Surveillance Unit is available for consultation in relation to the Code’s disclosure requirements on +44 (0)20 7638 0129. *If the discloser is a natural person, a telephone number does not need to be included, provided contact information has been provided to the Panel’s Market Surveillance Unit. The Code can be viewed on the Panel’s website at www.thetakeoverpanel.org.uk. 29th February 2024 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited 4 Form 8.3 December 2021